/*
 * Copyright 2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.android.showcase.social.facebook;

import org.springframework.android.showcase.AbstractAsyncActivity;
import org.springframework.android.showcase.R;
import org.springframework.social.connect.ConnectionRepository;
import org.springframework.social.facebook.api.Facebook;
import org.springframework.social.facebook.connect.FacebookConnectionFactory;

import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;

/**
 * @author Roy Clarkson
 */
public class FacebookActivity extends AbstractAsyncActivity {
	
	protected static final String TAG = FacebookActivity.class.getSimpleName();
	
	private ConnectionRepository connectionRepository;
	
	private FacebookConnectionFactory connectionFactory;
	
	
	//***************************************
    // Activity methods
    //***************************************
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);		
		setContentView(R.layout.facebook_activity_layout);		
		this.connectionRepository = getApplicationContext().getConnectionRepository();
		this.connectionFactory = getApplicationContext().getFacebookConnectionFactory();
	}
	
	@Override
	public void onStart() {
		super.onStart();
		if (isConnected()) {
			showFacebookOptions();
		} else {
			showConnectOption();
		}
	}
	
	@Override
	protected void onResume() {
		super.onResume();
	}
	
	
	//***************************************
    // Private methods
    //***************************************
	private boolean isConnected() {
		return connectionRepository.findPrimaryConnection(Facebook.class) != null;
	}
	
	private void disconnect() {
		connectionRepository.removeConnections(connectionFactory.getProviderId());
	}
	
	private void showConnectOption() {
		String[] options = {"Connect"};
		ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, options);
		ListView listView = (ListView) this.findViewById(R.id.facebook_activity_options_list);
		listView.setAdapter(arrayAdapter);
		
		listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
			public void onItemClick(AdapterView<?> parentView, View childView, int position, long id) {
				switch (position) {
				case 0:
					displayFacebookAuthorization();
					break;
				default:
					break;
				}
			}
		});
	}
	
	private void showFacebookOptions() {
		String[] options = {"Disconnect", "Profile", "Home Feed", "Wall Post"};
		ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, options);
		ListView listView = (ListView) this.findViewById(R.id.facebook_activity_options_list);
		listView.setAdapter(arrayAdapter);
		
		listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
			public void onItemClick(AdapterView<?> parentView, View childView, int position, long id) {
				Intent intent;
				switch (position) {
				case 0:
					disconnect();
					showConnectOption();
					break;
				case 1:
					intent = new Intent();
					intent.setClass(parentView.getContext(), FacebookProfileActivity.class);
					startActivity(intent);
					break;
				case 2:
					intent = new Intent();
					intent.setClass(parentView.getContext(), FacebookHomeFeedActivity.class);
					startActivity(intent);
					break;
				case 3:
					intent = new Intent();
					intent.setClass(parentView.getContext(), FacebookWallPostActivity.class);
					startActivity(intent);
					break;
				default:
					break;
				}
			}
		});
	}
	
	private void displayFacebookAuthorization() {		
		Intent intent = new Intent();
		intent.setClass(this, FacebookWebOAuthActivity.class);
		startActivity(intent);
		finish();
	}
	
}
